APA (7th ed.) Citation

Sudermann, H., & Porter, H. T. (2010). The Three Heron's Feathers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sudermann, Hermann, and Helen Tracy Porter. The Three Heron's Feathers. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Sudermann, Hermann, and Helen Tracy Porter. The Three Heron's Feathers. Project Gutenberg, 2010.

Warning: These citations may not always be 100% accurate.